CVE-2022-32511: Jmespath JMESPath For Ruby Uses Unsafe Vulnerability

CRITICAL
Advisory Identifier: GHSA-5c5f-7vfq-3732
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CVSS 9.8
CWE-502
Published
Advisory Summary

CVE-2022-32511 is a CRITICAL (CVSS 9.8) jmespath for ruby uses unsafe vulnerability (CWE-502: Deserialization of Untrusted Data) affecting Jmespath libraries in the RubyGems ecosystem. The issue involves jmespath for ruby uses unsafe json.load when safe json.parse is preferable. Remediation is available by upgrading affected packages to version 1.6.1.

CVE-2022-32511 at a Glance

CVE Identifier CVE-2022-32511
GHSA Identifier GHSA-5c5f-7vfq-3732
Severity CRITICAL
CVSS v3.1 Base Score 9.8
CWE Classification CWE-502: Deserialization of Untrusted Data
Affected Product Jmespath
Package Ecosystem RubyGems
Published Date
Last Updated

Security Impact

CVSS: 9.8

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality High (C:H)
Integrity High (I:H)
Availability High (A:H)

How to Fix CVE-2022-32511

To remediate this vulnerability, upgrade all affected Jmespath dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

jmespath fixed: 1.6.1 
Upgrade jmespath to 1.6.1
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

inspect dependencies for jmespath

How to Check if You Are Affected

To determine whether your application is affected by CVE-2022-32511, inspect your project dependencies for Jmespath:

inspect dependencies for jmespath

Analyze the terminal output to locate any version of Jmespath in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.6.1), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-502: Deserialization of Untrusted Data, where the product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid. In Jmespath, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

jmespath.rb (aka JMESPath for Ruby) before 1.6.1 uses JSON.load in a situation where JSON.parse is preferable.

CVE-2022-32511 Affected Jmespath Versions

1 component(s)
Fixed Versions:
1.6.1
Product / Package Ecosystem Affected Versions Fixed Version
jmespath
gem/jmespath
RubyGems
< 1.6.1
1.6.1

References

NVD — CVE-2022-32511 NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-32511
Jmespath Source Repository REPOSITORY
https://github.com/jmespath/jmespath.rb/pull/55
Security Fix Commit FIX COMMIT
https://github.com/jmespath/jmespath.rb/commit/e8841280053a9d9a0c90f36223f926c8b9e4ec49
Jmespath Source Repository REPOSITORY
https://github.com/jmespath/jmespath.rb
Jmespath Source Repository REPOSITORY
https://github.com/jmespath/jmespath.rb/compare/v1.6.0...v1.6.1
Jmespath Source Repository REPOSITORY
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/jmespath/CVE-2022-32511.yml
lists.fedoraproject.org/archives/list/packa... WEB
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/376NUPIPTYBWWGS33GO4UOLQRI4D3BTP
lists.fedoraproject.org/archives/list/packa... WEB
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AGZ2YWONVFFOPACHAT4MM7ZBT4DNHOF5
lists.fedoraproject.org/archives/list/packa... WEB
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/376NUPIPTYBWWGS33GO4UOLQRI4D3BTP
lists.fedoraproject.org/archives/list/packa... WEB
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AGZ2YWONVFFOPACHAT4MM7ZBT4DNHOF5
stackoverflow.com/a/30050571/580231 WEB
https://stackoverflow.com/a/30050571/580231

Frequently Asked Questions

What is CVE-2022-32511?
CVE-2022-32511 is a security vulnerability in Jmespath involving JMESPath for Ruby uses unsafe JSON.load when safe JSON.parse is preferable under CWE-502: Deserialization of Untrusted Data.
Which Jmespath versions are affected?
Affected versions include releases prior to 1.6.1 across affected packages: jmespath.
What version fixes CVE-2022-32511?
Upgrading to 1.6.1 (or the latest patched release for your respective branch) resolves the vulnerability.
Is jmespath affected?
Yes, jmespath is affected in releases prior to 1.6.1. Upgrade your dependency to 1.6.1 or later.
What is the CVSS score of CVE-2022-32511?
CVE-2022-32511 has a CVSS v3.1 base score of 9.8 (CRITICAL) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2022-32511?
CVE-2022-32511 is classified under CWE-502: Deserialization of Untrusted Data (The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.).
How can I check RubyGems dependencies for CVE-2022-32511?
Run the dependency tree command: 'inspect dependencies for jmespath'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-5c5f-7vfq-3732",
  "modified" : "2026-07-08T17:32:25Z",
  "published" : "2022-06-07T00:00:31Z",
  "aliases" : [ "CVE-2022-32511" ],
  "summary" : "JMESPath for Ruby uses unsafe JSON.load when safe JSON.parse is preferable",
  "details" : "jmespath.rb (aka JMESPath for Ruby) before 1.6.1 uses JSON.load in a situation where JSON.parse is preferable.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "RubyGems",
      "name" : "jmespath"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "1.6.1"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-32511"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/jmespath/jmespath.rb/pull/55"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/jmespath/jmespath.rb/commit/e8841280053a9d9a0c90f36223f926c8b9e4ec49"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/jmespath/jmespath.rb"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/jmespath/jmespath.rb/compare/v1.6.0...v1.6.1"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/jmespath/CVE-2022-32511.yml"
  }, {
    "type" : "WEB",
    "url" : "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/376NUPIPTYBWWGS33GO4UOLQRI4D3BTP"
  }, {
    "type" : "WEB",
    "url" : "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AGZ2YWONVFFOPACHAT4MM7ZBT4DNHOF5"
  }, {
    "type" : "WEB",
    "url" : "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/376NUPIPTYBWWGS33GO4UOLQRI4D3BTP"
  }, {
    "type" : "WEB",
    "url" : "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AGZ2YWONVFFOPACHAT4MM7ZBT4DNHOF5"
  }, {
    "type" : "WEB",
    "url" : "https://stackoverflow.com/a/30050571/580231"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-502" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-06-07T21:14:51Z",
    "nvd_published_at" : "2022-06-06T22:15:00Z"
  }
}